Explore topic-wise MCQs in Electric Drives Questions and Answers.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Electric Drives Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

Calculate the active power in a 2 Ω resistor with 8 A current flowing through it.

A. 125 W
B. 128 W
C. 123 W
D. 126 W
Answer» C. 123 W
Discussion
2.

Calculate the value of the frequency if the inductive reactance is 72 Ω and the value of the inductor is 7 H.

A. 1.63 Hz
B. 1.54 Hz
C. 1.78 Hz
D. 1.32 Hz
Answer» B. 1.54 Hz
Discussion
3.

Calculate the reactive power in a 45 Ω resistor with 1.78 A current flowing through it.

A. 28.8 VAR
B. 23.4 VAR
C. 25.82 VAR
D. 0 VAR
Answer» E.
Discussion
4.

The slope of the V-I curve is 4.9°. Calculate the value of resistance. Assume the relationship between voltage and current is a straight line.

A. .03 Ω
B. .08 Ω
C. .04 Ω
D. .07 Ω
Answer» C. .04 Ω
Discussion
5.

Calculate the phase angle of the sinusoidal waveform i(t)=sin(.6πt+π÷.88).

A. 100π÷88
B. 100π÷8
C. 100π÷8
D. π÷88
Answer» B. 100π÷8
Discussion